>> jeff: tonight new images from the final moments of the boston manhunt. police moving in while tonight prosecutors move forward. we have a team 6 correspondent following the case. warnings of possible flight delays. michelle miller tells us the sequester has forced cultbacks in air-traffic controller's workdays. a terminally ill mother admits she is breaking the law but says it is the only way as she speaks out in favor of changing medical marijuana laws. >> nobody should have to lose any part of their life to their illness. they should fight every second. >> jeff: an marathon runners in london paying tribute to boston, kelly cobiella is at the finish line. >> this is the "cbs evening news". >> jeff: good evening,

everyone. i'm jeff glor. nearly a week after the boston marathon bombings we are getting a better picture tonight of the final confrontation and of the investigation's course. here is the latest. suspect dzhokhar tsarnaev is now listed in critical but stable condition, unable to speak. 53 bombing victims remain in the hospital, including four people critically injured, terrell brown in boston and begins our coverage. >> reporter: in this newly released police helicopter video you can see the final minutes of friday's day long pursuit of zokar tsarnaev, his body highlighted by thermal heat imaging. soon after police surrounded him hiding in a boat in a watertown resident's backyard, they sent in a robot to check for explosives but there were none. as officers approached the boat, boston police commissioner ed davis says tsarnaev started shooting. >> no one was struck there but there was gunfire emitting from the boat. it's hard to say where it was aimed. >> reporter: after an hour-long standoff officers

fired stun grenades and then apprehended tsarnaev. since his capture he hasn't been able to talk but officials say they believe he and his brother act add loan in monday's marathon bombings. three days after the attack that killed three and injured dozens, the big break came when the brothers carjacked a mercedes suv in cambridge. watertown police chief ed deveau said the vehicle's owner left a cell phone inside. >> we ain that phone and find out it was in watertown and it was heading in a certain neighborhood of watertown. >> reporter: chased by police officers deveau sayings tamerlan threw a homemade bomb at them and jumped out of the vehicle and started shooting. >> they were having a gun fight 10 feet apart. and then for us, thank god, he ran out of ammunition. >> reporter: tamerlan died from his wounds. police say based on the amount of explosives found, they believe the brothers were planning another attack. shot during the gun fight boston transit officer dick donahue. he had once served with sean collier, the mit campus officer allegedly shot and

killed by the bombers earlier thursday evening. today donahue's brother edward said donahue remains in critical condition. >> to our enemies, we will persevere and we will fight because we know no other way to live but free. >> reporter: investigators are waiting for their chance to talk to tsarnaev, he has what seems to be a self-inflicted bullet wound to the neck. federal prosecutors will likely charge him before he recovers, jeff. >> jeff: terrell brown, thank you. >> joining us now from washington is justice and homeland security correspondent bob orr. bob, with the suspect in the hospital, in this condition, where does that leave investigators? >> it's not clear, jeff, if or when dzhokhar tsarnaev will be able to talk to investigators, we have to say prosecutors really don't need his statement to build a criminal case because they have video evidence of him planting one of the bombs and also police to testify that they saw him take place in two shoot-outs with officers? watertown, massachusetts. but besides all that the fbi really does want to talk to him about the plot, how the

bombs were built and how the brothers initially escaped detection. >> jeff: what do we know about its brother's possible terror connection if any? >> well, so far the fbi can't find any evidence that the brothers had any coconspirators in this attack or any connections at all to aar lr ter rohr group, either foreign or domesque. of course they are still looking but from thece s far ofs believe the old ever brother was the key. his social networking activity suggest that over the past couple of years he had become increasingly interested in radical jihad. investigators suspect he drew his 19-year-old younger brother not plot. >> jeff: so the fbi interviewed him two years ago, he was not though on their radar immediately before the bombings? >> no, that's right it was 2011, a russian authority asked the fbi to investigate tamerlan tsarnaev because there were indications in russia that maybe he had terror ties. so the fbi did the due diligence, did a background check, they interviewed him. they didn't find any terror connection and no evidence at all that he was connected in anyway to jihadists. the fbi says at the time it

was satisfied he pose nod real danger. so he wasn't placed under surveillance. of course in hindsight, critics now are asking if the fbi did enough here or if maybe they missed a chance to stop these attacks. >> jeff: bob orr in washington. bob, thank you. >> tamerlan tsarnaev's visit last year to the dagestan and chechnya regions of russia is attract-- attracting increase add tension tonight. charlie what more do we know this evening about the time he spent in these regions? >> well, jeff, neighbors that we spoke to in dagestan over the phone today said that tamerlan stayed with his father or his relatives pretty of the whole time he was there for six or seven months and he helped his father renovate their family business in that area. they also spoke to people at the local mosque who said that he attended regularly but there was nothing to suggest anything sinister or anything suspect about his activities there. importantly today the local chechen rebel commander in

dagestan said that there was never any direct contact-- contact with tamerlan and certainly they had nothing to do with the attacks in boston. >> jeff: charlie what is the russian government saying about all this? >> well, jeff, the russian government sd tha ty e assisting the united states investigators anyway that they can. but there are a lot of questions being asked about russian security services, maybe the same way the united states, how this person that was identified and flagged to be the fbi in the u.s. wasn't stopped when he was here. we spoke to a security analyst, somebody who keeps an eye on russian intelligence services who said it was shocking that here is a guy who is already on russian intelligence radar able to come into this country last year, pass right through moscow's airport and go right to this turbulent area of dagestan, right through, again, and back to the united states without ever being stopped or ever being questioned. >> jeff: charlie d'agata in

moskow tonight, thank you. across boston today people gathered to pray, sing and to remember those who died. as elaine quijano reports tonight, one service took place outside near the marathon's finish line. ♪ with brotherhood ♪ ♪. >> reporter: just down the street from where the bombing went off, a congregation composed of different faiths came together to pray. >> we marched over here as a sign of solidarity, and as a way to reconsecrate and reclaim this spot. >> reporter: rab i howard berman is with boston's central reform temple. >> this is ground zero for is. where all these churches and synagogues are within one block of this spot. we're ready to heal. boston is alive and well. ♪ . >> reporter: people also sought comfort at the cathedral of the holy cross in boston's south end where cardinal sean o'malley addressed a crowd that included firefighters and boston police commissioner ed davis.

>> the innocent victims who perished this week, martin richard, krystle campbell, lu lingzi, officer sean llwillive in eternity. >> reporter: the cardinal lead the congregation in praying for the injured. he also called for tolerance. >> we must be people of reconciliation, not revenge. the crimes of the two young men must not be the justification for prejudice against muslims or against immigrants. >> reporter: among the worshippers was richard paris, head of the boston firefighters union. >> the world's got to get together. be on one page. stop hurting people, start helping people, like everybody did that day last monday with the marathon. >> reporter: as bostonians prayed, in the nearby community of medford, friends and family of the one of the victims, 27-year-old krystle campbell greefd. her wake was held today.

she will be buried tomorrow. tomorrow kbos ton-- boston and surrounding communities will observe a moment of silence at 2:50 p.m., marking the exact time the bombs went off last monday. jeff. >> jeff: elaine, thank you. >> floodwaters are rising in the midwest. major flooding is reported in at least six states following days of heavy rain. neighbors and national guard troops have been building a levee of sandbags to hold back the mississippi river in clark,ville, missouri north of st. louis. the river was expected to crest today. across the region hundreds of homes have been evacuated and at least two deaths are blamed on the flooding. tonight we are getting our closest look yet at the damage from that horrific explosion in the town of west, texas. the blast at a fertilizer plant wednesday night killed 14 people. manual bojorquez is there. >> reporter: for the first time news crews were allowed into the disaster area. this apartment building is one of 50 structures that were destroyed.

wheelchairs are still lined up on an empty lawn. today authorities said they were able to get a closer look at the explosion site. >> we do know and we have located the seat of the explosion which is important because as we conduct our investigation, we'll be working from an outer perimetre inward. >> assistant state fire marshal kelly exist mohr says there was a crater he would only describe as large. on wednesday a fire at the plant's caused this massive explosion. the blast was so strong it could be felt 50 miles away. residents are being allowed back into the neighborhood in phases. those closest to the plant will be the last ♪ sing with me how great ♪ ♪. >> reporter: the first baptist church of west has to hold its sunday service outdoors. the church was damaged in the blast. >> as scary as this has become, we don't have to be afraid. >> this was the first time

many victims saw each other since the disaster. the town will take another step towards returning to normal tomorrow. children will go back to school. but with three out of the four schools here damaged or destroyed, many of those students will attend class in a neighboring town. jeff? >> jeff: manual bojorquez, london before th ran today's marathon they paid tribute. a terminally ill mother says she will keep breaking the law until medical marijuana laws change. and the control tower cutbacks that could slow down air travel. those stories when the "cbs evening news" continues. even ragu users chose prego. prego?! but i've been buying ragu for years. [ thinking ] i wonder what other questionable choices i've made? [ club scene music ] [ sigh of relief ] [ male announcer ] choose taste. choose prego. to fly home for the big family reunion. you must be garth's father? hello. mother. mother!

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>> reporter: for passengers at new york's laguardia airport travel is already a four letter word. was very concerned bcause they said the delay could be up to four hours. >> reporter: thanks to mandatory budget cuts approved by congress the faa has 637 million dollars less to spend. that's forcing some air-traffic controllers to stay home without pay. two days a month. mark rosenker is a former ntsb chairman and aviation safety analyst for cbs news. >> it could slow anywhere from 30 to 90 minutes and in some cases, even three, four hours. if it gets too crowded in the skies, unfortunately it will result in cancellations. american airlines tells cbs news that until the faa provides secretary of details of the furlough, it's hard to inform passengers of the effects. but they do say they expect the biggest delays at lax, chicago's o'hare, and right here at laguardia.

union and the airline trades official are suing the faa to stop the furlough. a fear is airlines will cut low-heeled flights to places like wichita to protect more profitable ones overseas. >> we are going to see some very difficult times over the next five and a half months, with the carriers, for the passengers, and frankly, i believe, for the economy. >> reporter: best advice for passengers on the nation's 30,000 flights a day, book the first flight of the day. it's the least likely to be cancelled. michelle miller, cbs news, new york. >> denver police are hunting for suspects today after shots were fired during a massive marijuana celebration. saturday's gunfire wounded two people and caused thousands of people to scramble for safety in the chaos dozens were trampled. >> up next on the "cbs evening news", a connecticut mom takes on a cause she never expected, medical marijuana. ch suggests cell heah plays a key role throughout our lives.

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>> jeff: 18 states and washington d.c. have legalized medical marijuana. condition conjoined that group last year. but wile it's legal to use

medical marijuana there, it is not legal to grow it. and tlses's no place open that legally sells it. that has left some patients risking arrest to get the relief they say they need. at first glance 42-year-old tracy gamer fanning appears to be a typical mom in suburban, connecticut. she is to the. >> i use medicinal marijuana. i amreakinth law now because we don't have growers and distributors here in connecticut. >> in 2006 fanning, then the mother of two young children was diagnosed with terminal brain cancer. racked by seizures, debilitating headaches and oppressive pain medication she spent much of her time in bed, until she tried marijuana. >> the first time i ever did it gave me back my life. >> connecticut did not allow the medical use of marijuana at the time. the suggestion came from her doctor, andrew salner.

>> it's always somewhat difficult for me because when i make a recommendation about trying marijuana, it is telling somebody to potentially put themselves in harm away to go purchase an illegal drug. >> both salner and fanning are speaking out now because while connecticut legalized medicinal marijuana last may, there is still nowhere to legally buy it. she showed us the safe in her closet where she keeps her supply. >> thiishe drawer of medications that i'm very proud to say i don't have to take any more. this is my vaporizing which is a very safe way to use medicinal marijuana. it allows you to not get the carcinogens from smoking. >> without marijuana do you think you would still be here today? >> i would not be me. i would not be this. and this is what everybody hopes to have, six and a half years later after being diagnosed.

>> you are by talking to us in this way potentially putting your is self in legal jeopardy. >> this was a very difficult decision to make. coming out on camera and talking to your audience and saying i use medicinal marijuana. >> somebody said to you seven years ago, you're going to be a prominent advocate for medicinal marijuana. >> nobody thinks they're going to do that. and nobody wants to be doing this. i hope nobody ever has to do this again. >> fanning is using the time she has left on her family and her cause. >> i know i'm going to die. but i know while i still can do this i can make a difference. >> fanning the mother of two is also parenting the children of her college sweetheart. they married last night but postponed a honeymoon so she could testify about this.

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>> jeff: finally tonight it's been just six days since the attack on boston. that happened near the finish line. today in london thousands of marathonners were back on the starting line. not just to run, but to show show support. kelly cobiella was there. >> reporter: the london marathon started with a whistle. and 30 seconds of silence to honor the victims of the boston marathon bombings. and then they were off. more than 34,000 runners, black ribbons pinned to their shirts determined to show they couldn't be scared away. not by the 26.2 miles ahead, or the memory of last monday's attack. >> thank you very, very much. a great help. >> just is from boston and signed up from london after the bombing. >> i'm here mainly to support my father. >> chuck's father pierr

d'hemecourt planned this run months ago. he's a doctor at boston's children's hospital and was working in the medical tent with his team at the finish line when the bombs went off. >> it was very loud. and yeah, you knew immediately something was wrong. >> reporter: d'hemecourt was one of nearly 13,000 medics and doctors who spent hours trying to stop the bleeding and save lives. >> number one, we would like to run to raise money for the victims. >> because of boston there were more police officers rad more police dgs athis but more crowds too. and even a prince who said he wouldn't dream of cancelling. >> no, it was never an option. >> reporter: the boston bombings happened while loved ones were still waiting for their family members to come in. so here in london, for every runner who crosses the finish line, organizers will donate 2 pounds, about $3 to a boston victims' fundth. >> reporter: after more than five tough hours pierre and

chuck d'hemecourt made it through the leg cramps and to the end. >> feel good stepping over that finish line. >> oh, god, yes, yes. i was looking forward to that so much rts and ending as it should have been in boston, for boston. kelly cobiella, cbs news, london. >> that is the "cbs evening news" tonight. later on cbs, "60 minutes." i'm jeff glor, cbs news in new york. scott pelley will be here tomorrow. good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org

faith -- deal with the aftermath. what may be a huge headache bay area travelers. the cha at airports that may leave waiting for hours. raising awareness about hunger - one step at a timee bay area stops-- on this one-hundred mile campaign. kpix 5 news is next. good evening, i'm ann notarangelo. ,,,,,,,,

preparing for the funerals r the victims of the boston marathon bombings. meanwhile... pol good evening. people in and around boston are preparing for the funerals of the victims of the boston marathon bombings. meanwhile the police believe